private void btnGetOrders_Click(object sender, System.EventArgs e)
{
   // Turn the cursor into an hourglass
   Cursor.Current = Cursors.WaitCursor;

   // Instantiate the Web Service class
   CustomerOrdersWS.CustomerOrdersWS_CSharp wsCustOrders =
      new CustomerOrdersWS.CustomerOrdersWS_CSharp();

   // Call the Web Service
   mmBindingList<OrdersEntity> entityList = wsCustOrders.GetOrdersByCustomerID(this.txtCustomerID.Text);
   // Bind the result set to the DataGrid
   this.grdOrders.DataSource = entityList;
   // Restore the cursor to a pointer
   Cursor.Current = Cursors.Default;
}